A B C D E G H I K L M O P R S U X Y

A

addPoint(Point) - Method in class DrawableShape

PRE: A valid Point object
POST: Add a new point to the point list.

addShape(DrawableShape) - Method in class DrawPadDoc

PRE: A valid DrawableShape object
POST: Add a shape to the list

B

backBufferGraphics - Variable in class DrawPadView

Graphic context associate with the back image buffer

backBufferImage - Variable in class DrawPadView

Back Image buffer for drawing

bChangingColor - Variable in class DrawPadView

A flag to indicate whether we are changing the shape's color

bDrawingShape - Variable in class DrawPadView

A flag to indicate whether a shape is being draw

bFill - Variable in class DrawableShape

Flag to indicate the shape is to be filled or not

BORDER_WIDTH - Variable in class DrawPadView

Constant for the border width

bSelected - Variable in class DrawableShape

Flag to indicate if the shape has been selected

bSelectedPointBox - Variable in class DrawPadDoc

A flag to indicate if we have selected a point box in the selected shape

bSelectedPointBox - Variable in class DrawPadView

A flag to indicate whether a point box for a shape has been selected

bSelectedShape - Variable in class DrawPadView

A flag to indicate whether a shape is selected in the list

C

color - Variable in class DrawableShape

Color for the shape

colorList - Variable in class DrawPadView

An Array of color that is available

copyClone() - Method in class DrawableShape

PRE: None
POST: A new DrawableShape object is copy from the current instance and returned

copyClone() - Method in class Ellipse

PRE: None
POST: A new DrawableShape object is copy from the current instance and returned

copyClone() - Method in class Line

PRE: None
POST: A new DrawableShape object is copy from the current instance and returned

copyClone() - Method in class Point

PRE: None
POST: Creat a new copy of a Point instance

copyClone() - Method in class Polygon

PRE: None
POST: A new DrawableShape object is copy from the current instance and returned

copyClone() - Method in class Rectangle

PRE: None
POST: A new DrawableShape object is copy from the current instance and returned

copySelectedShape() - Method in class DrawPadDoc

PRE: NoneBR> POST: If an shape was selected, this class will save a copy of it

copyShape - Variable in class DrawPadDoc

A copied of a shape

currentShape - Variable in class DrawPadView

Current shape object for before adding to DrawPadDoc

D

deleteSelectedShape() - Method in class DrawPadDoc

PRE: None
POST: Delete the selected shape from the list if there is one selected

DOUBLE_IMAGE_SIZE - Variable in class DrawPadView

Constant for 2 * image size in pixel.

DrawableShape - class DrawableShape.

CLASS: DrawableShape
PURPOSE: Serve as a super class for other shape, force the subclass to have method for drawing and editing.
IMPORT: java.awt.Graphics, java.awt.Color, java.util.Vector, Point
EXPORT: None, This is an abstract class with partial implementation.

DrawableShape() - Constructor for class DrawableShape

drawAllShapes(Graphics) - Method in class DrawPadDoc

PRE: A valid Graphics object
POST: Draw all the shape in the list.

drawBorder(Graphics) - Method in class DrawPadView

PRE: Valid Graphic object.
POST: Draw the border for the drawing area

drawColorBar(Graphics) - Method in class DrawPadView

PRE: Valid Graphic object.
POST: Draw the color bar to the given Graphics object

drawCurrentColor(Graphics) - Method in class DrawPadView

PRE: Valid Graphic object.
POST: Draw the color that we are using right now

drawHeight - Variable in class DrawPadView

Drawing area height.

drawOptionBar(Graphics) - Method in class DrawPadView

PRE: Valid Graphic object.
POST: Draw the option bar to the given Graphics object

drawPadDoc - Variable in class DrawPadView

Keep track of all the shape and for the editing methods

DrawPadDoc - class DrawPadDoc.

CLASS: DrawPadDoc
PURPOSE: This class keep track of all the shapes and provide methods to manipulate them
IMPORT: java.awt.Graphics, java.util.Vector, java.awt.Color, DrawableShape, Point
EXPORT: New Class|DrawPadDoc
New Method|DrawPadDoc, addShape, copySelectedShape, deleteSelectedShape, drawAllShapes, getSelectedShapeColor, moveSelectedPointBox, moveSelectedShapeToBack, moveSelectedShapeToFront, moveShape, pasteShape, selectNextShape, selectPointBox, selectedPreviousShape, selectShape, setSelectedShapeColor, setShapeEndPoint, unSelectShape

DrawPadDoc() - Constructor for class DrawPadDoc

PRE: None
POST: Construct and initialize the DrawPadDoc Object

DrawPadView - class DrawPadView.

CLASS: DrawPadView
PURPOSE: This class handle all the GUI action and this is also the main class for the applet
IMPORT: java.awt.Color, java.applet.Applet, java.awt.Graphics, java.awt.Image, java.awt.event.MouseEvent, java.awt.event.MouseListener, java.awt.event.MouseMotionListener, java.awt.event.KeyListener, java.awt.event.KeyEvent, Ellipse, Rectangle, Line, Polygon, DrawableShape, DrawPadDoc, Point
EXPORT: New Class|DrawPadView
New Method| init, keyPressed, keyReleased, keyTyped, mouseClicked, mouseDragged, mouseEntered, mouseExited, mouseMoved, mousePressed, mouseReleased, paint, setSelectedColor, update, drawBorder, drawColorBar, drawCurrentColor, drawOptionBar

DrawPadView() - Constructor for class DrawPadView

drawWidth - Variable in class DrawPadView

Drawing area width.

E

Ellipse - class Ellipse.

CLASS: Ellipse
PURPOSE: This class represent one of the shapes that can be drawn -- Ellipse
IMPORT: java.awt.Graphics, java.awt.Color, DrawableShape, Point
EXPORT: New Class|Ellipse
New Method| Ellipse, copyClone, hitTest, hitTestPointBox, paint

Ellipse(Point, Point) - Constructor for class Ellipse

PRE: None
POST: Initialize all the variables needed for Ellipse shape

endPoint - Variable in class DrawPadView

keep track of the last point

G

getColor() - Method in class DrawableShape

PRE: None
POST: Return the color of the shape

getLeastX() - Method in class DrawableShape

PRE: None
POST: Return the least value for x in the point list

getLeastY() - Method in class DrawableShape

PRE: None
POST: Return the least value for y in the point list

getSelectedShapeColor() - Method in class DrawPadDoc

PRE: None
POST: Return the color of the selectedShape color, if no shape is selected, it will return null

H

HALF_IMAGE_SIZE - Variable in class DrawPadView

Constant for half image size in pixel.

hitTest(Point) - Method in class DrawableShape

PRE: A valid Point Object
POST: Check to see if the point hit the shape

hitTest(Point) - Method in class Ellipse

PRE: A valid Point Object
POST: Check to see if the point hit the shape

hitTest(Point) - Method in class Line

PRE: A valid Point Object
POST: Check to see if the point hit the shape

hitTest(Point) - Method in class Polygon

PRE: A valid Point Object
POST: Check to see if the point hit the shape

hitTest(Point) - Method in class Rectangle

PRE: A valid Point Object
POST: Check to see if the point hit the shape

hitTestPointBox(Point) - Method in class DrawableShape

PRE: A valid Point object
POST: Return true if the point hit the Point Box

hitTestPointBox(Point) - Method in class Ellipse

PRE: A valid Point Object
POST: Check to see if the point hit the shape's PointBox if it has been selected

hitTestPointBox(Point) - Method in class Line

PRE: A valid Point Object
POST: Check to see if the point hit the shape's PointBox if it has been selected

hitTestPointBox(Point) - Method in class Polygon

PRE: A valid Point Object
POST: Check to see if the point hit the shape's PointBox if it has been selected

hitTestPointBox(Point) - Method in class Rectangle

PRE: A valid Point Object
POST: Check to see if the point hit the shape's PointBox if it has been selected

I

IMAGE_DOWN - Variable in class DrawPadView

Constant to indicate the image is in down-state

IMAGE_SIZE - Variable in class DrawPadView

Constant for the image size in pixel.

IMAGE_UP - Variable in class DrawPadView

Constant to indicate the image is in up-state

imageDirectory - Variable in class DrawPadView

Constant for the path that the image files is in

imageNames - Variable in class DrawPadView

Name of the option image files (upstate and downstate)

init() - Method in class DrawPadView

PRE: None
POST: Initialize all the variables and GUI for the applet

K

keyPressed(KeyEvent) - Method in class DrawPadView

PRE: A valid KeyEvent Object
POST: Perform editing functionality.

keyReleased(KeyEvent) - Method in class DrawPadView

PRE: A valid KeyEvent Object
POST: This method was override from the interface KeyListener.

keyTyped(KeyEvent) - Method in class DrawPadView

PRE: A valid KeyEvent Object
POST: This method was override from the interface KeyListener.

L

Line - class Line.

CLASS: Line
PURPOSE: This class represent one of the shapes that can be drawn -- Line
IMPORT: java.awt.Graphics, java.awt.Color, DrawableShape, Point
EXPORT: New Class|Line
New Method| copyClone, hitTest, hitTestPointBox, paint

Line() - Constructor for class Line

M

mouseClicked(MouseEvent) - Method in class DrawPadView

PRE: A valid MouseEvent Object
POST: This method was override from the interface MouseListener.

mouseDragged(MouseEvent) - Method in class DrawPadView

PRE: A valid MouseEvent Object
POST: Show rubber band effect and perform editing functionality.

mouseEntered(MouseEvent) - Method in class DrawPadView

PRE: A valid KeyEvent Object
POST: This method was override from the interface MouseMotionListener.

mouseExited(MouseEvent) - Method in class DrawPadView

PRE: A valid KeyEvent Object
POST: This method was override from the interface MouseMotionListener.

mouseMoved(MouseEvent) - Method in class DrawPadView

PRE: A valid MouseEvent Object
POST: For rubber band effect when drawing object.

mousePressed(MouseEvent) - Method in class DrawPadView

PRE: A valid MouseEvent Object
POST: Set all the flags needed.

mouseReleased(MouseEvent) - Method in class DrawPadView

PRE: A valid MouseEvent Object
POST: Set all the flags needed.

move(int, int) - Method in class DrawableShape

PRE: None
POST: Move the shape offset by the input x and y

movePointBox(int, int) - Method in class DrawableShape

PRE: None
POST: Resize the shape by offset the reference point(s) by the input x and y

moveSelectedPointBox(int, int) - Method in class DrawPadDoc

PRE: None
POST: Move the point box of the selected shape object

moveSelectedShapeToBack() - Method in class DrawPadDoc

PRE: None
POST: Move the selected shape one object to the back.

moveSelectedShapeToFront() - Method in class DrawPadDoc

PRE: None
POST: Move the selected shape one object to the front.

moveShape(int, int) - Method in class DrawPadDoc

PRE: None
POST: Move the selected Shape of the input offsets

O

OPT_ELLIPSE - Variable in class DrawPadView

Constant for Ellipseect Option

OPT_FILLED_ELLIPSE - Variable in class DrawPadView

Constant for Filled Ellipse Option

OPT_FILLED_POLYGON - Variable in class DrawPadView

Constant for Filled Polygon Option

OPT_FILLED_RECTANGLE - Variable in class DrawPadView

Constant for Filled Rectangle Option

OPT_LINE - Variable in class DrawPadView

Constant for Line Option

OPT_POLYGON - Variable in class DrawPadView

Constant for Polygon Option

OPT_RECTANGLE - Variable in class DrawPadView

Constant for Rectangle Option

OPT_SELECT - Variable in class DrawPadView

Constant for Select Option

optionImages - Variable in class DrawPadView

array to contain the images for options

P

paint(Graphics) - Method in class DrawableShape

PRE: A valid Graphics object to paint on
POST: Current object will be draw using the Graphics object

paint(Graphics) - Method in class DrawPadView

PRE: A valid Graphics Object
POST: Will have drawPadDoc draw all its shape and also draw the current shape if we are doing Add shape.

paint(Graphics) - Method in class Ellipse

PRE: A valid Graphics object to paint on
POST: Current object will be draw using the Graphics object

paint(Graphics) - Method in class Line

PRE: A valid Graphics object to paint on
POST: Current object will be draw using the Graphics object

paint(Graphics) - Method in class Polygon

PRE: A valid Graphics object to paint on
POST: Current object will be draw using the Graphics object

paint(Graphics) - Method in class Rectangle

PRE: A valid Graphics object to paint on
POST: Current object will be draw using the Graphics object

pasteShape() - Method in class DrawPadDoc

PRE: NoneBR> POST: If there is a copied shape, will add it to the last in the list and place it to the top left corner and return true.

Point - class Point.

CLASS: Point
PURPOSE: This class represent a point that contain an x y components (both int)
IMPORT: None
EXPORT: New Class|Point
New Methods|Point,copyClone

Point(int, int) - Constructor for class Point

PRE: None
POST: Construct and initialize a Point object

pointList - Variable in class DrawableShape

Vector to keep track of the shapes point(s)

Polygon - class Polygon.

CLASS: Polygon
PURPOSE: This class represent one of the shapes that can be drawn -- Polygon
IMPORT: java.awt.Graphics, java.awt.Color, DrawableShape, Point
EXPORT: New Class|Polygon
New Method| copyClone, hitTest, hitTestPointBox, paint

Polygon() - Constructor for class Polygon

R

Rectangle - class Rectangle.

CLASS: Rectangle
PURPOSE: This class represent one of the shapes that can be drawn -- Rectangle
IMPORT: java.awt.Graphics, java.awt.Color, DrawableShape, Point
EXPORT: New Class|Rectangle
New Method| Rectangle, copyClone, hitTest, hitTestPointBox, paint

Rectangle(Point, Point) - Constructor for class Rectangle

PRE: None
POST: Initialize all the variables needed for Rectangle shape

removeLastPoint() - Method in class DrawableShape

PRE: None
POST: Remove the last point from the point list (if any)

S

selectedColor - Variable in class DrawPadView

Color that has been selected

selectedOption - Variable in class DrawPadView

Option that has been selected

selectedShape - Variable in class DrawPadDoc

The shape that is being selected

selectNextShape() - Method in class DrawPadDoc

PRE: None
POST: Select the next shape in the list.

selectPointBox(Point) - Method in class DrawPadDoc

PRE: None
POST: Check if the point in the pointbox of the selecetd shape.

selectPreviousShape() - Method in class DrawPadDoc

PRE: None
POST: Select the previous shape in the list.

selectShape(Point) - Method in class DrawPadDoc

PRE: A valid point
POST: Go through the shape list from the top(LIFO) and do hit test on the shape.

setColor(Color) - Method in class DrawableShape

PRE: A valid Color Object
POST: Set the color of the shape from the input

setEndPoint(Point) - Method in class DrawableShape

PRE: A valid Point Object
POST: Set the endPoint of the shape from the input

setFill(boolean) - Method in class DrawableShape

PRE: None
POST: Set the private variable bFill as the input

setSelected(boolean) - Method in class DrawableShape

PRE: None
POST: Set the shape flag to indicate whether it has been selected or not

setSelectedColor(Color) - Method in class DrawPadView

PRE: A valid Color Object
POST: set and update the color bar to the input color

setSelectedShapeColor(Color) - Method in class DrawPadDoc

PRE: A valid Color object
POST: Set the selected Shape's color from the input color object only if there is a selected shape

setShapeEndPoint(Point) - Method in class DrawPadDoc

PRE: A valid Point object
POST: Set the endPoint of the select shape as the input, solely for Resizing

setStartPoint(Point) - Method in class DrawableShape

PRE: A valid Point Object
POST: Set the startPoint of the shape from the input

shapeList - Variable in class DrawPadDoc

A vector list containing shapes

U

unSelectShape() - Method in class DrawPadDoc

PRE: None
POST: Don't keep track of the selected object

update(Graphics) - Method in class DrawPadView

PRE: A valid Graphics Object
POST: Will have drawPadDoc draw all its shape and also draw the current shape if we are doing Add shape.

X

x - Variable in class Point

x component of a point

xPointChange - Variable in class DrawableShape

Reference Point object for resize change(X component)

Y

y - Variable in class Point

y component of a point

yPointChange - Variable in class DrawableShape

Reference Point object for resize change(Y component)

A B C D E G H I K L M O P R S U X Y